| Tienshanosaurus Temporal range: Late Jurassic,
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|---|---|
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| Holotype scapula, Paleozoological Museum of China | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Family: | †Mamenchisauridae |
| Genus: | †Tienshanosaurus Yang, 1937 |
| Species: | †T. chitaiensis
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| Binomial name | |
| †Tienshanosaurus chitaiensis Yang, 1937
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Tienshanosaurus (meaning "Tienshan lizard") is an extinct genus of dinosaur from the Late Jurassic. It was a sauropod which lived in what is now China. Only one species is known, Tienshanosaurus chitaiensis, which was named and described in 1937.[1]